Best Online Authentication Apps

0+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good online authentication apps. We benchmark 0+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Online Authentication

POIZON - Online Authentication#1

POIZON - Online Authentication by POIZON HOLDING PTE. LTD.

Exploring authenticated goods
Editor's Choice
🛍️ Shopping
4.6😞(602 ratings)
FreeAds
POIZON - Online Authentication screenshot 1
POIZON - Online Authentication screenshot 2
POIZON - Online Authentication screenshot 3
POIZON - Online Authentication screenshot 4
POIZON - Online Authentication screenshot 5

Discover the ultimate sneaker marketplace for enthusiasts – explore limited editions, timeless classics, and exclusive releases. Buy, sell, and connect with other sneakerheads worldwide. Join the sneaker revolution today!

What We Love

  • 🚀 Fast shipping
  • 🔒 Authentic products
  • 👍 Good selection and prices
  • 👍 Smooth authentication process

Room to Improve

  • 🐛 Unreliable authentication
  • ⏱️ Slow customer service response
  • 🚫 Prejudice against customers with large shoe sizes
Microsoft Authenticator#2

Microsoft Authenticator by Microsoft Corporation

Protects your online identity
Strong Contender
📊 Productivity
4.7😞(655K ratings)
Free
#6in Productivity
Microsoft Authenticator screenshot 1
Microsoft Authenticator screenshot 2
Microsoft Authenticator screenshot 3
Microsoft Authenticator screenshot 4
Microsoft Authenticator screenshot 5
Microsoft Authenticator screenshot 6

A secure app for easy online account sign-ins, offering multi-factor authentication, passwordless login, and password autofill features. Manage Microsoft and non-Microsoft accounts with added security layers like fingerprint, face ID, or PIN. Stay protected and simplify access to various online services.

What We Love

  • 🚀 Seamless authentication
  • 🔒 Secure login process
  • 👍 Convenient passwordless sign-in
  • 🚀 Smooth app performance

Room to Improve

  • 🐛 Broken Apple Watch functionality
  • 🐛 Backup and restore issues
  • 🐛 Confusing login flow
Authenticator App - OneAuth#3

Authenticator App - OneAuth by Zoho Corporation

Secure your online accounts
Worth Considering
🔧 Utilities
4.7😞(33K ratings)
Free
Authenticator App - OneAuth screenshot 1
Authenticator App - OneAuth screenshot 2
Authenticator App - OneAuth screenshot 3
Authenticator App - OneAuth screenshot 4
Authenticator App - OneAuth screenshot 5
Authenticator App - OneAuth screenshot 6

Secure your online accounts with an industry-standard authenticator app. Enable two-factor authentication, back up and sync accounts across all devices easily, and enjoy enhanced security features like passwordless sign-in and biometric authentication. Download now to experience enhanced online security.

What We Love

  • 🚀 Quick and efficient
  • 🔒 Very secure
  • 👍 Easy to use
  • 💡 Has Apple Watch app

Room to Improve

  • 🐛 Unreliable notifications
  • 🐛 Confusing user interface
  • 🐛 Inconsistent behavior

More Online Authentication apps to explore

4
Google Authenticator
Google Authenticator
Google Authenticator
by Google
Free

A secure two-step verification app that generates codes for logging into online accounts, adding an extra layer of security beyond passwords. Easily sync codes across devices, set up accounts with QR codes, and manage multiple accounts in one place. To start securing your accounts, enable 2-Step Verification on your Google Account.

🔧 Utilities
(1M)
5
Authenticator - 2FA App
Authenticator - 2FA App
Authenticator - 2FA App
Protects your online identity
Free

Protect your online accounts with two-factor authentication using this reliable app. Easily generate secure codes to access your favorite services. Stay secure, stay protected.

🔧 Utilities
(2.5K)
6
Authenticator App : 2FA & MFA
Authenticator App : 2FA & MFA
Authenticator App : 2FA & MFA
Protect Your Online Identity
Free

This application provides an extra layer of security for your accounts by enabling two-factor authentication (2FA). Protect your sensitive information with this easy-to-use tool.

📊 Productivity
(658)
7
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
by RSA Security
Free

This app provides strong authentication through OTP credentials, cloud-based MFA, push notifications, and biometrics for enhanced security. It is suitable for iOS and macOS users looking for a secure and convenient authentication solution. Check the App Store for more information.

💼 Business
(319)
8
Authenticator App ™
Authenticator App ™
Authenticator App ™
Two Factor Authentication
Free

Secure your online accounts with an advanced two-factor authentication app that generates time-based codes for enhanced security when logging in. Compatible with over 2,500 websites, streamline your multi-factor authentication setup by scanning QR codes.

🔧 Utilities
(21K)
9
Proton Authenticator
Proton Authenticator
Proton Authenticator
Secure 2FA Authenticator
Free

Get the trusted authenticator app that keeps your 2FA codes secure, accessible, and private with end-to-end encryption and strict Swiss privacy laws. Download now and take control of your digital security today.

📊 Productivity
(199)
10
Papa Gino's - Order Online
Papa Gino's - Order Online
Papa Gino's - Order Online
by New England Authentic Eats LLC.
Free

Order delicious pizzas, appetizers, sandwiches, and more with ease through our app. Whether it's for carryout, dining in, or delivery, we've got you covered. Join us and experience the best of New England's official pizza!

🍔 Food & Drink
(16K)
11
Salesforce Authenticator
Salesforce Authenticator
Salesforce Authenticator
by salesforce.com
Free

A mobile app that enhances online account security through multi-factor authentication, using push notifications for quick approval or denial of account activities. It also offers one-time verification codes for offline use and can utilize location services for automatic approvals. Secure your accounts that support time-based one-time passwords with this convenient tool.

💼 Business
(4.1K)
12
ID.me Authenticator
ID.me Authenticator
ID.me Authenticator
by ID.me, Inc.
Free

A free multi-factor authentication app that adds an extra layer of security to your account with time-based one-time passwords, push notifications, and mobile security keys. Easily verify your identity and protect your account from hackers.

📊 Productivity
(100K)
13
Authenticator App - Two Factor
Authenticator App - Two Factor
Authenticator App - Two Factor
Two-factor - Duo Security
Free

Secure all your online accounts with our must-have Authenticator App - Two Factor. Our app provides simple and free Two Factor Authentication (2FA) solutions to keep your accounts safe with 6-digit Time-Based One-Time Passwords (TOTP). Protect your accounts from hackers by adding an extra layer of security today.

🔧 Utilities
(400)
14
BlazeAuth - MFA Authenticator
BlazeAuth - MFA Authenticator
BlazeAuth - MFA Authenticator
Two-Factor Authentication Code
Free
🔧 Utilities
(79)
15
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Authenticator app - 2FA, MFA
Two Factor Authentication, OTP
Free

Protect your accounts with our free authenticator app that offers 2FA security for various platforms. With support for over 1000 apps, including Apple Watch compatibility, ensure your accounts are secure.

🔧 Utilities
(596)
16
Authenticator ® App
Authenticator ® App
Authenticator ® App
Two Factor Authentication Aрр
Free

Enhance your online security with our all-in-one mobile Authenticator App for 2FA and MFA authentication. Simply scan a QR code to secure your accounts with time-sensitive codes, cloud backups, privacy features, and more. Download today for peace of mind in the digital world!

📊 Productivity
(3K)
17
SafeNet MobilePASS+
SafeNet MobilePASS+
SafeNet MobilePASS+
Thales Group
Free

SafeNet MobilePASS provides seamless and secure authentication through push approval and one-time passcodes. Easily enroll with QR codes, use TouchID/FaceID, and integrate with various apps for enhanced security. Start protecting your accounts today.

💼 Business
(112K)
18
OT Advanced Authentication
OT Advanced Authentication
OT Advanced Authentication
by NetIQ Corporation
Free

Secure your sensitive information with a multifactor authentication solution that goes beyond passwords. Visit the link for more details on how to enhance your protection: https://www.netiq.com/products/advanced-authentication-framework/features/

💼 Business
(140)
19
Authenticator App - Authkey
Authenticator App - Authkey
Authenticator App - Authkey
Two factor authentication, 2fa
Free

A comprehensive 2FA app designed to enhance online security by generating unique access codes for account protection, ensuring the safety of personal information. Secure your accounts easily and reliably with our advanced security protocols.

🔧 Utilities
(3.3K)
20
Authenticator
Authenticator
Authenticator
Simple 2-factor authentication
Free

"Enhance your online security with a simple, free, and open-source two-factor authentication app. Easily generate unique one-time passwords for your accounts using secure encryption methods, offline capabilities, and support for various password formats. Protect your accounts now!"

🔧 Utilities
(407)